WAVEGUIDE MOVEMENT AND IMAGE LIGHT CORRECTION
Image light is projected to a waveguide assembly. One or more sensors monitors movement of the waveguide assembly. The image light is corrected based in part on the monitored movement.
1 . A device comprising:
a waveguide assembly configured to project image light towards an eyebox;
one or more movement sensors configured to monitor a movement of the waveguide assembly; and
a display controller to correct the image light based in part on the monitored movement.
2 . The device of claim 1 , wherein correcting the image light includes modifying the image light prior to projection to compensate for the movement of the waveguide assembly.
3 . The device of claim 1 , wherein the one or more movement sensors are coupled to the waveguide assembly.
4 . The device of claim 1 , wherein the one or more movement sensors are oriented in a plurality of orientations, wherein a first orientation of the plurality of orientations is orthogonal to a second orientation of the plurality of orientations.
5 . The device of claim 1 , wherein the one or more movement sensors are oriented in a plurality of orientations, wherein an orientation of the plurality of orientations is radial with respect to a center of the waveguide assembly.
6 . The device of claim 1 , wherein the one or more movement sensors is a first set of movement sensors and wherein the waveguide assembly is a first waveguide assembly for a first eye of a user, the device further comprising:
a second set of movement sensors coupled to a bridge connecting the first waveguide assembly to a second waveguide assembly for a second eye of the user, the second set of movement sensors configured to monitor a relative movement between the first waveguide assembly and the second waveguide assembly.
7 . The device of claim 6 , wherein the display controller is further configured to:
modify at least one of a first image light projected by the first waveguide assembly or a second image light projected by the second waveguide assembly based on the relative movement.
8 . The device of claim 1 further comprising:
a projector assembly comprising a plurality of light sources that generate the image light,
wherein the waveguide assembly includes one or more waveguides configured to receive the image light and project the image light for a pupil replication in the eyebox; and wherein the display controller is further configured to cause the projector assembly to correct the image light.
9 . The device of claim 1 , wherein the waveguide assembly includes one or more waveguides, and the device further comprises:
actuators configured to modify a shape of a waveguide of the one or more waveguides; and
wherein the display controller is further configured to:
determine movement instructions for modifying the shape of the waveguide based on the monitored movement of the waveguide assembly; and
instruct the actuators to modify the shape of the waveguide in accordance with the movement instructions.
10 . The device of claim 1 further comprising:
a temperature sensor configured to determine a temperature of an environment, wherein the display controller is further configured to correct the image light based on the temperature.
11 . A method comprising:
projecting image light from a waveguide assembly towards an eyebox;
monitoring, via one or more movement sensors, a movement of the waveguide assembly; and
correcting the image light based in part on the monitored movement.
12 . The method of claim 11 , wherein correcting the image light includes modifying the image light prior to projection to compensate for the movement of the waveguide assembly.
13 . The method of claim 11 , wherein the one or more movement sensors are coupled to the waveguide assembly.
14 . The method of claim 11 , wherein the one or more movement sensors are oriented in a plurality of orientations, wherein a first orientation of the plurality of orientations is orthogonal to a second orientation of the plurality of orientations.
15 . The method of claim 11 , wherein the one or more movement sensors are oriented in a plurality of orientations, wherein an orientation of the plurality of orientations is radial with respect to a center of the waveguide assembly.
16 . The method of claim 11 , wherein the one or more movement sensors is a first set of movement sensors and wherein the waveguide assembly is a first waveguide assembly for a first eye of a user, the method further comprising:
monitoring a relative movement between the first waveguide assembly and a second waveguide assembly for a second eye of the user, wherein a second set of movement sensors are coupled to a bridge connecting the first waveguide assembly to the second waveguide assembly.
17 . The method of claim 11 further comprising:
generating the image light using a plurality of light sources of a projector assembly;
receiving, at one or more waveguides of the waveguide assembly, the image light;
projecting, at the one or more waveguides, the image light; and
causing the projector assembly to correct the image light.
18 . The method of claim 11 , wherein the waveguide assembly includes one or more waveguides, the method further comprising:
modifying a shape of a waveguide of the one or more waveguides;
determining movement instructions for modifying the shape of a waveguide based on the monitored movement of the waveguide assembly; and
instructing actuators to modify the shape of the waveguide in accordance with the movement instructions.
19 . The method of claim 11 further comprising:
determining a temperature of an environment; and
correcting the image light based on the temperature.
20 . A non-transitory computer-readable storage medium comprising stored instructions, the instructions when executed by a processor of a device, causing the device to:
projecting image light from a waveguide assembly towards an eyebox;
monitoring, via one or more movement sensors, the movement of the waveguide assembly; and
correcting the image light based in part on the monitored movement.