Dual axis internal optical beam tilt for eyepiece of an HMD
Abstract:
An eyepiece includes a first end for receiving display light, an end reflector, and a viewing region including a partially reflective surface to redirect at least a portion of the display light out of an eye-ward side of the eyepiece along an emission path. The partially reflective surface is obliquely angled to cause the emission path to have a first oblique angle in a first dimension relative to a first normal vector of the eye-ward side. The end reflector is tilted to cause the emission path to have a second oblique angle in a second dimension relative to the first normal vector of the eye-ward side. The first and second dimensions are orthogonal to each other.
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