Patent ID: 11892726
Assignee: NICHIA CORPORATION
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An image display method using an image display device including:
a backlight having a plurality of light-emitting regions arranged in a matrix configuration in a first direction and a second direction, the light-emitting regions being divided into a plurality of first areas in the first direction; and
a liquid crystal panel on the backlight, the liquid crystal panel having a plurality of pixels arranged in a matrix configuration in the first and second directions, the pixels being divided into a plurality of second areas in the first direction, the method comprising:
performing a first operation to cause light to be emitted from the light-emitting regions at respective intensity in accordance with frame image data, sequentially with respect to each of the first areas; and
performing a second operation to apply voltages to the pixels at respective levels in accordance with the frame image data, sequentially with respect to each of the second areas,
wherein a timing at which the first operation with respect to each of the first areas is started is delayed from a timing at which the second operation with respect to a corresponding one of the second areas is started by a predetermined interval,
wherein the second operation with respect to an earliest one of the second areas is started in synchronization with a rising edge of a synchronization signal, and
wherein a timing at which the second operation with respect to a last one of the second areas is started is same as a timing at which the first operation with respect to an earliest one of the first areas is started.