阅读说明：本技术 指纹识别模组及其制作方法和电子装置 (Fingerprint identification module, manufacturing method thereof and electronic device ) 是由 刘文渠 李秀锋 姚琪 张锋 董立文 崔钊 徐传祥 孟德天 宋晓欣 王利波 岳阳 于 2020-01-17 设计创作，主要内容包括：一种指纹识别模组及其制作方法和电子装置。该指纹识别模组包括基板、压电材料层、辅助结构和多个第一驱动电极；压电材料层位于基板上,辅助结构至少部分位于基板上,多个第一驱动电极位于压电材料和辅助结构远离基板的一侧；各第一驱动电极沿第一方向延伸并超过压电材料层在第一方向上的第一边缘,多个第一驱动电极沿第二方向间隔设置,辅助结构至少与第一边缘接触设置,辅助结构包括斜坡部,在从第一边缘到远离压电材料层的中心的方向上,斜坡部在垂直于功能基板的方向上的厚度逐渐减小。该指纹识别模组在压电材料层上形成多个第一驱动电极的过程中可避免产生断线和导电材料残留等问题,从而可提高产品的良率。(A fingerprint identification module, a manufacturing method thereof and an electronic device are provided. The fingerprint identification module comprises a substrate, a piezoelectric material layer, an auxiliary structure and a plurality of first driving electrodes; the piezoelectric material layer is positioned on the substrate, the auxiliary structure is at least partially positioned on the substrate, and the plurality of first driving electrodes are positioned on one sides of the piezoelectric material layer and the auxiliary structure, which are far away from the substrate; each first driving electrode extends along a first direction and exceeds a first edge of the piezoelectric material layer in the first direction, the plurality of first driving electrodes are arranged at intervals along a second direction, the auxiliary structure is at least arranged in contact with the first edge, and the auxiliary structure comprises a slope part, wherein the thickness of the slope part in the direction perpendicular to the functional substrate is gradually reduced in the direction from the first edge to the direction far away from the center of the piezoelectric material layer. The fingerprint identification module can avoid the problems of broken wires, residual conductive materials and the like in the process of forming a plurality of first driving electrodes on the piezoelectric material layer, so that the yield of products can be improved.)