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Bidirectional OLED microdisplay: Combining display and image sensor functionality into a monolithic CMOS chip

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7 Author(s)
Richter, B. ; Fraunhofer Inst. for Photonic Microsyst., Dresden, Germany ; Vogel, Uwe ; Herold, Rigo ; Fehse, K.
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This paper presents a bidirectional OLED microdisplay (BiMi) with a mono chrome 320x240 (QVGA) display and a nested image sensor with 160x120 pixels in a commercially available 0.35μm 3.3V/12V CMOS process with customized top metal. The BiMi was designed as a universal prototype for evaluating the necessary display parameters in see-through HMDs and the eye-tracking capabilities in a nested setup with relatively low resolution. Because of the varying ambient light levels in see-through applications the main target was to achieve a wide range of possible display luminances from 100 to 10000Cd/m2 instead of high resolution.

Published in:

Solid-State Circuits Conference Digest of Technical Papers (ISSCC), 2011 IEEE International

Date of Conference:

20-24 Feb. 2011