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More info on the Fraunhofer bi-directional OLED display
The Fraunhofer IMPS's new bi-directional OLED microdisplay packs an OLED display and a camera in the same chip. This can be used for a lot of applications - from automotive ('gaze' monitoring for safety) to medicine, security, see-through HMDs, and just fun gadgets... The Fraunhofer showed us a demo interactive-eyeglasses just a couple of days ago. Now we got some more info on that chip...
The OLED is an Active-Matrix one, with 320x240 resolution, 8bit color level. The Peak luminance is less than 11,000cd/m2, and the efficiency is 5.3cd/A@500cd/m2.
The camera matrix is build from photodiodes, placed just between the OLED pixels.