液晶与显示2017，Vol.32Issue(8)：596-600,5.DOI:10.3788/YJYXS20173208.0596
光配向PI固烤时间与曝光能量对LCD光学及残影的影响
Effects of PI post-bake time and UV dosage on LCD optical performance and image sticking by photo-alignment
周学芹 1杨丽 1刘政明 1林熙乾1
作者信息
- 1. 昆山龙腾光电有限公司,江苏 昆山 215301
- 折叠
摘要
Abstract
The alignment ability of polyimide was obtained by Photo-Alignment process, and then IPS type LCDs was prepared in the experiment. Pre-tilt angle, contrast ratio and transmittance of LCD samples prepared under different post-bake time and UV dosage were characterized by AOI (Automated Optical Inspection) and DMS LCD photoelectric measuring system. Besides, image sticking (IS) of all the conditions was studied. The results showed that the post-bake time and UV dosage ranged between 900~2 700 s and 400~600 mJ/cm2 had little effect on optical performance and these two factors had obvious influence on IS. IS had a tendency to deteriorate with the increasing of UV Dosage, and the trend tended to be gentle under the condition of high imidization. Excellent IS performance could be obtained by adjusting the post-bake time and UV dosage. The LCD samples showed the best IS performance under the conditions of post-bake 1 800 s and UV dosage 400~500 mJ/cm2.关键词
光配向/固烤时间/UV曝光能量/光学性能/残影Key words
photo-alignment/post-bake time/UV dosage/optical performance/image sticking分类
信息技术与安全科学引用本文复制引用
周学芹,杨丽,刘政明,林熙乾..光配向PI固烤时间与曝光能量对LCD光学及残影的影响[J].液晶与显示,2017,32(8):596-600,5.
