| 摘要 |
A scanning projector system includes a controller, a driver and one or more micro-mirror(s). The controller produces first, second and third pixel data in dependence on a video signal. The driver drives first, second and third light emitting elements in dependence on the first, second and third pixel data, to thereby emit light of first, second and third colors. The micro-mirror(s) project an image in dependence on light beams produced in dependence on the light of the first, second and third colors. The controller controls intensities of the light emitted by the light emitting elements, at least in part, by controlling duty-cycles of pulses included in pixel periods associated with the first, second and third drive signals. To reduce color shifts, the controller and/or the driver causes at least two pulses to be included in each pixel period associated with drive signals used to drive the light emitting elements. |
| 主权项 |
1. A scanning projector system, comprising:
a first light emitting element that selectively emits light of a first color; a second light emitting element that selectively emits light of a second color; a third light emitting element that selectively emits light of a third color; a controller configured to produce first, second and third pixel data in dependence on a video signal received from a video source; a driver configured to drive the first, second and third light emitting elements in dependence on the first, second and third pixel data produced by the controller, to thereby cause the first, second and third light emitting elements to emit, respectively, light of the first, second and third colors; and one or more micro-mirror(s) that project an image in dependence on the light of first, second and third colors emitted by the first, second and third light emitting elements; wherein the controller is configured to control intensities of the light emitted by the first, second and third light emitting elements, at least in part, by controlling duty-cycles of pulses included in pixel periods associated with the first, second and third drive signals; and wherein at least one of the controller or the driver is configured to cause at least two pulses to be included in each said pixel period associated with at least one of the first, second and third drive signals that are respectively used to drive the first, second and third light emitting elements to cause the first, second and third light emitting elements to respectively emit light of the first, second and third colors. |
