Capella Microsystems Inc. was a Taiwan-based semiconductor company specializing in optoelectronic sensors. Founded in 2002, it focused on designing and manufacturing ambient light sensors, proximity sensors, and optical gesture sensors, primarily for mobile devices and consumer electronics. Its technologies enabled automatic brightness adjustment and power savings in smartphones and tablets. In 2014, Capella was acquired by Vishay Intertechnology, a major U.S. manufacturer of discrete semiconductors and passive components, integrating Capella’s products into its portfolio to enhance its optical sensor offerings.