Optical semiconductor module and sample observation device

This optical semiconductor module is provided with: a substrate having a first surface; a plurality of pixel sections arranged in a matrix on the first surface and each having an optical semiconductor element; a drive circuit that is located on the first surface, supplies a power supply voltage to the plurality of pixel units, and transmits or receives an image signal to or from the plurality of pixel units; a plurality of external connection terminals located on the first surface; a plurality of drive wires located on the first surface and connecting the drive circuit and the plurality of external connection terminals; and an annular antenna wiring surrounding the plurality of pixel portions, the drive circuit, the plurality of external connection terminals, and the plurality of drive wiring in plan view, both end portions of the antenna wiring being respectively connected to the drive circuit. 本公开的光半导体模块具备：基板，具有第1面；多个像素部，在第1面上矩阵状地排列，各自具有光半导体元件；驱动电路，位于第1面上，对多个像素部供给电源电压，并且在与多个像素部之间进行图像信号的发送或接收；多个外部连接端子，位于第1面上