Abstract: A mouse includes a casing, a light, a switch, and a supporting device. The casing includes a base plate and a top cover covering the base plate. The top cover defines a receiving hole. The switch is electrically connected to the light and used to turn the light on and off. The supporting device is movably accommodated in the receiving hole and supports the light. The supporting device is capable of moving out of the receiving hole.

Abstract: A display device in which partial driving can be performed with a simplified configuration of a circuit including a wiring. One of signal processing circuits includes a first transistor that controls the potential of its respective gate signal line, and a second transistor that outputs a start signal for the subsequent stage and a reset signal for the preceding stage. A signal for controlling whether the gate signal line is in an active state (a state where a selection signal is output) or a non-active state (a state where a selection signal is not output or a non-selection signal continues to be output) is input to the first transistor. A clock signal is input to the second transistor. Thus, the number of wirings necessary for operating the device is reduced.

Abstract: An apparatus including at least one light source; a selective attenuation element, used for a plurality of adjacent pixels and configured to attenuate light from the at least one light source; and a group of adjacent mono-chrome light filters, used for the plurality of adjacent pixels, the group including a first mono-chrome light filter, for a first one of the plurality of adjacent pixels, configured to filter light transmitted via the selective attenuation element for the first one of the adjacent pixels; and a second mono-chrome light filter, for a second one of the plurality of adjacent pixels, configured to filter light transmitted via the selective attenuation element for the second one of the adjacent pixels.