BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a basic block diagram of an embodiment of an image signal processing apparatus and an image system according to the present invention;
FIG. 2 is a block diagram of an example of the image signal processing apparatus and the image system shown in FIG. 1;
FIG. 3 is an illustration of a first example of a 16:9 display of a display unit shown in FIG. 1;
FIG. 4 is a an illustration of a second example of the 16:9 display of the display unit shown in FIG. 1;
FIG. 5 is an illustration of blocks in the 16:9 display shown in FIGS. 3, 4;
FIG. 6 is a graph of a relation of an expected brightness and an operating time about the display unit shown in FIG. 2; and
FIG. 7 is a flow chart of an example of a process of reducing burn-in, which is executed by a control unit of the image signal processing apparatus shown in FIG. 2.