Image display apparatus and control method therefor

摘要

An image display apparatus according this invention includes: a light-emitting unit configured to emit light; a display panel configured to display an image by transmitting the light from the light-emitting unit at a transmittance based on an input image signal; and a control unit configured to set a plurality of lighting periods respectively having different lengths on a frame-by-frame basis and control lighting and extinction of the light-emitting unit in such a manner that the light-emitting unit is lit during the lighting periods and extinguished during a period other than the lighting periods, wherein the control unit makes the number of lighting periods within one frame larger when a brightness of the image is bright than when the brightness of the image is dark.

主权项

1. An image display apparatus comprising:
a light-emitting unit configured to emit light; a display unit configured to display an image by transmitting the light from the light-emitting unit on the basis of an input image data; and a control unit configured to set, according to a drive frequency for the display unit, a lighting period of the light-emitting unit and an extinction period of the light-emitting unit for each frame of the input image data; wherein the number of lighting periods set by the control unit within one frame in a case where the drive frequency is a first frequency is more than the number of lighting periods set by the control unit within one frame in a case where the drive frequency is a second frequency which is higher than the first frequency.