Moveably-coupled screen actuators

A speckle damping system for dampening speckle on a projection screen for a projection display system employing coherent or partially coherent light sources (e.g., lasers, LEDs) are disclosed. In one embodiment, a rotatably coupled system is disclosed, comprising: a set of actuators; a set of rotatably coupled mounts, each of said set of rotatably coupled mount capable of mounting at least one said actuator; and wherein said at least one actuator mounted on said rotatably coupled mount is in moveable mechanical communication with said projection screen. In another embodiment, a linearly coupled system is disclosed comprising: a set of actuators; a set of linearly coupled mounts, each of said set of linearly coupled mount capable of mounting at least one said actuator; and wherein said at least one actuator mounted on said linearly coupled mount is in moveable mechanical communication with said projection screen. 公开了种用于抑制用于利用相干或部分相干光源(例如，激光器、LED)的投影显示系统的投影屏幕上的散斑的散斑抑制系统。在个实施例中，公开了种可旋转耦合系统，该可旋转耦合系统包括：组致动器；组可旋转耦合