IMAGE DISPLAY DEVICE, IMAGE DISPLAY OBSERVING SYSTEM, IMAGE DISPLAY METHOD, AND PROGRAM
Provided is an image display device including a high frame rate signal generating unit that increases a frame rate of an input video signal, a frame rate adjusting unit that adjusts a frame rate by synthesizing a black image at intervals of a predetermined frame on a high frame rate signal output from the high frame rate signal generating unit, and a display panel that displays a video based on a video signal output from the frame rate adjusting unit.
1 . An image display device, comprising:
a high frame rate signal generating unit that increases a frame rate of an input video signal;
a frame rate adjusting unit that adjusts a frame rate by synthesizing a black image at intervals of a predetermined frame on a high frame rate signal output from the high frame rate signal generating unit; and
a display panel that displays a video based on a video signal output from the frame rate adjusting unit.
2 . The image display device according to claim 1 , wherein the frame rate adjusting unit includes:
a synchronization signal analyzing unit that analyzes a video synchronization signal of the high frame rate signal generated by the high frame rate signal generating unit; and
a black image synthesis unit that synthesizes the black image at intervals of a predetermined frame based on an analysis result of the video synchronization signal.
3 . The image display device according to claim 1 , wherein the frame rate adjusting unit synthesizes the black image when an off function of video display by a high frame rate is instructed.
4 . The image display device according to claim 1 , wherein the high frame rate signal generating unit receives a right eye video signal and a left eye video signal for displaying a stereoscopic image and increases a frame rate of the right eye video signal and the left eye video signal, and
the frame rate adjusting unit synthesizes the black image with a frame at timing when the right eye video signal and the left eye video signal are switched.
5 . An image display device, comprising:
a high frame rate signal generating unit that increases a frame rate of a right eye video signal and a left eye video signal that are input;
a signal adjusting unit that sets video display to non display, in a frame at timing when the right eye video signal and the left eye video signal are switched, on the right eye video signal and the left eye video signal of a high frame rate output from the high frame rate signal generating unit; and
a display panel that alternately displays a right eye image and a left eye image based on a video signal output from the signal adjusting unit.
6 . The image display device according to claim 5 , wherein the signal adjusting unit synthesizes a black image with a frame at timing when the right eye video signal and the left eye video signal are switched.
7 . The image display device according to claim 5 , wherein the signal adjusting unit sets a frame at timing when the right eye video signal and the left eye video signal are switched to non-emission.
8 . The image display device according to claim 5 , wherein the signal adjusting unit extends an emission time of a frame directly before the frame set to non-emission up to a field of the frame set to non-emission.
9 . An image display observing system, comprising:
an image display device including a high frame rate signal generating unit that increases a frame rate of a right eye video signal and a left eye video signal that are input, a signal adjusting unit that sets video display to non display, in a frame at timing when the right eye video signal and the left eye video signal are switched, on the right eye video signal and the left eye video signal of a high frame rate output from the high frame rate signal generating unit, a display panel that alternately displays a right eye image and a left eye image based on a video signal output from the signal adjusting unit, and a shutter control unit that generates a timing signal representing switching timing of the right eye image and the left eye image; and
stereoscopic video observing glasses that include right eye and left eye shutters and alternately open the right eye and left eye shutters based on the timing signal.
10 . The image display observing system according to claim 9 , wherein the signal adjusting unit synthesizes a black image with a frame at timing when the right eye video signal and the left eye video signal are switched.
11 . The image display observing system according to claim 9 , wherein the signal adjusting unit sets a frame at timing when the right eye video signal and the left eye video signal are switched to non-emission.
12 . The image display observing system according to claim 9 , wherein the signal adjusting unit extends an emission time of a frame directly before the frame set to non-emission up to a field of the frame set to non-emission.
13 . An image display method, comprising:
increasing a frame rate of an input video signal;
adjusting a frame rate by synthesizing a black image at intervals of a predetermined frame on a high frame rate signal output from the high frame rate signal generating unit; and
displaying a video based on a video signal output from the frame rate adjusting unit.
14 . An image display method, comprising:
increasing a frame rate of a right eye video signal and a left eye video signal that are input;
setting video display to non display, in a frame at timing when the right eye video signal and the left eye video signal are switched, on the right eye video signal and the left eye video signal of a high frame rate output from the high frame rate signal generating unit; and
alternately displaying a right eye image and a left eye image based on a video signal output from the signal adjusting unit.
15 . A program causing a computer to function as:
a means for increasing a frame rate of an input video signal;
a means for adjusting a frame rate by synthesizing a black image at intervals of a predetermined frame on a high frame rate signal output from the high frame rate signal generating unit; and
a means for displaying a video based on a video signal output from the frame rate adjusting unit.
16 . A program causing a computer to function as:
a means for increasing a frame rate of a right eye video signal and a left eye video signal that are input;
a means for setting video display to non display, in a frame at timing when the right eye video signal and the left eye video signal are switched, on the right eye video signal and the left eye video signal of a high frame rate output from the high frame rate signal generating unit; and
a means for alternately displaying a right eye image and a left eye image based on a video signal output from the signal adjusting unit.