A wearable blood-pressure measuring apparatus and a photoplethysmograph (PPG) sensor unit are provided. The wearable blood-pressure measuring apparatus includes a wearable holding member and a blood-pressure measuring module configured to the wearable holding member. The blood-pressure measuring module includes a print circuit board (PCB), an electrocardiograph (ECG) sensor unit and a PPG sensor unit. The PPG sensor unit is disposed on the PCB and configured to the ECG sensor unit which is electrically connected to a first pad and a second pad disposed on the PCB. The PPG sensor unit includes a grid having a plurality of accommodation regions, a light device arranged in one of the accommodation regions, and a photo sensor arranged in another accommodation region. The grid has an inner conductive contact portion exposed at an inner surface of the wearable holding member, and the inner conductive contact portion is electrically connected to the second pad and.一種穿戴式血壓量測裝置及其光學感測單元。穿戴式血壓量測裝置包括一穿戴式固持件及配置在穿戴式固持件上的生理資訊量測模組。生理資訊量測模組包括電路基板、心電感測單元及光學感測單元。光學感測單元與電性連接於一電路基板的一第一焊墊及一第二焊墊的心電感測單元相互搭配,其中光學感測單元包括具有多個容置空間的格柵、一容置於其中一容置空間內的第一發光元件、以及一容置於另外一容置空間內的光感測器,其中格柵具有一電性連接於第二焊墊的內圈導電接觸部。110‧‧‧電路基板110a‧‧‧正面110b‧‧‧背面131‧‧‧格柵131c‧‧‧內環繞部1310‧‧‧內環繞部頂面131d‧‧‧外環繞部1311‧‧‧外環繞部頂面134a‧‧‧第一發光元件1340‧‧‧第一發光元件側面134b‧‧‧第二發光元件1341‧‧‧第二發光元件側面133‧‧‧光感測器132a‧‧‧第一分隔部1323‧‧‧第一分隔部頂面132b‧‧‧第二分隔部1324‧‧‧第二分隔部頂面1321‧‧‧第一傾斜導光面1322‧‧‧第二傾斜導光面14‧‧‧導電柱131t‧‧‧內圈導電接觸部135‧‧‧保護層136‧‧‧過濾層
