CPC G09G 5/37 (2013.01) [G06T 1/20 (2013.01); G06T 5/006 (2013.01); G06T 7/70 (2017.01); G09G 3/3208 (2013.01); G09G 5/363 (2013.01); G02B 6/06 (2013.01); G09G 2320/0646 (2013.01)] | 3 Claims |
1. A method of measuring distortion in a display with a display layer that includes an array of light-emitting pixels and an optical coupling layer that guides light from an input surface that is adjacent to the array of light-emitting pixels to an output surface, the method comprising:
displaying a target image using the array of light-emitting pixels;
with a camera module that includes an image sensor and a telecentric lens, capturing an image of the target image on the output surface of the optical coupling layer; and
for each one of a plurality of the light-emitting pixels, determining a displacement between a first location of the respective light-emitting pixel and a second location where light from that light-emitting pixel is output from the output surface.
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