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OFFSETTING NON-UNIFORM BRIGHTNESS IN A BACKLIT DISPLAY ASSEMBLY VIA A SPATIAL DISTRIBUTION OF LIGHT EXTRACTION FEATURES
OFFSETTING NON-UNIFORM BRIGHTNESS IN A BACKLIT DISPLAY ASSEMBLY VIA A SPATIAL DISTRIBUTION OF LIGHT EXTRACTION FEATURES
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机译:通过光提取特征的空间分布来补偿背光显示组件中的非均匀亮度
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摘要
A headset includes a display block and an optics block. The display block includes a waveguide configured to receive light from a light source assembly, a plurality of extraction features that have a spatial distribution across one or more surfaces of the waveguide, wherein the plurality of extraction features out-couple light from the waveguide, and the spatial distribution is such that out-coupled light has a first non-uniform brightness distribution, and a display panel configured to modulate the out-coupled light to form image light, wherein the image light has a brightness distribution based in part on the first non-uniform brightness distribution. The optics block includes optical elements configured to direct the image light to an eyebox, and the optics block adds a second non-uniform brightness distribution that is offset by the first non-uniform brightness distribution, such that the image light directed to the eyebox has a target brightness distribution.
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