| 摘要 |
Provided is an image display device which carries out bi-directional line sequence scanning, and which appropriately corrects positioning misalignment of projection spots while efficaciously minimizing speckle noise. A laser controller unit sets waveform patterns when scanning in the forward direction, reflecting waveform patterns (GPT, BPT) about the time axis. The laser controller unit further sets waveform patterns when scanning in the reverse direction, reflecting the waveform patterns when scanning in the forward direction about the time axis. Waveform patterns (RPT, GPT, BPT) comprise drive start timings and drive end timings of laser sources within a pixel display period. The off period from the start timing of the pixel display period to the drive start timing and the off period from the drive end timing to the end timing of the pixel display period are set to be asymmetrical about the time axis. |
