天通股份：压电晶体材料在AR眼镜上的应用主要能解决彩虹纹等行业技术痛点

Group 1 - The core viewpoint of the article is that Tiantong Co., Ltd. (600330) is conducting technical validation of piezoelectric crystal materials for use in AR glasses, which shows significant technological advantages [1] - The application of piezoelectric crystal materials aims to address industry technical pain points, particularly the issue of rainbow patterns [1]