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See through hmd

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Information about See through hmd
Gadgets & Reviews

Published on March 5, 2014

Author: michaelkim12139

Source: slideshare.net

Description

독일 Fraunhofer 연구소에서 개발한 OLED기반 see through HMD. 구글의 Google glasses는 see through는 아니죠.
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OLED based binocular interactive seethrough HMD SID2012 Exhibitors’ Forum Dr. Rigo Herold 5.06.2012 Outline • Introduction • System Overview • Applications © Fraunhofer IPMS

Introduction OLED-Microdisplay Excellent contrast ratio Large dynamic range Low power consumption State of the art: Uni-directional output Additional image sensor Beyond state of the art: Bi-directional input+output Diversity of new applications Uni-directional display: VGA, 6x8mm² (www.hypoled.org) encapsulation CMOS backplane wafer OLED © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 2 CMOS PD CMOS circuit

Introduction Bidirectional OLED-Microdisplay Top-emitting OLED Direct evaporation of OLED stack through a shadow mask Unpatterned OLED Pixel shape defined by bottom electrode (CMOS top metal anode) Common cathode Colour filter (optional) © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 3

Introduction Chip-architecture Nested display and image sensor pixel matrix Separated controls Configuration via IIC Common bias block External ADC Mobile host system for data processing and applications © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 4

Introduction Bidirectional OLED-Microdisplay feedback mode demonstrator Acquired image directly fed back into display See this demo at booth #1371! © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 5

System Overview System architecture © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 6

System Overview © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 7

System Overview Specifications: Display: 640 x 480 pixels Viewing-area (µD): 10,2 mm x 7,7 mm Eyetracking camera: 128 x 96 pixels FOV (see-through): 26,5° x 17,2° FOV (info channel): 20° x 21,6° Accomodation distance: 750 mm See-through Transparency: 50 % Eye-motion box: 5,6 mm x 11,2 mm Weight: 198g © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 8

Applications Eyetracker Eye-tracking Preprocessing Input Image Adaptive Filtering Histogram Equalization Detecting Corneal Reflections Input image Detecting Pupil Ellipse fitting Gaze-track © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 9 Detection of pupil (red) and reflections (green)

Bidirectional display -1 ° Radio 53 km/h Displays an image and detects another image on the same device Navi Menu Applications HMD application Tracking eye-movement for users sight and awareness Gaze-based human-display-interaction Interactive augmented-reality © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 10 60 30 Display off

Applications Worldmap Fullsize earth map ROI is displayed on HMD Moving ROI by gaze Try this demo at booth #1371! © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 11

Summary Bidirectional OLED-Microdisplay Demonstrator OLED based binocular interactive see-through HMD is available Work was in parts sponsored by Federal Ministry for Education and Research of the German government Contact Dr. Rigo Herold (Fraunhofer IPMS) Booth 1371@SID2012 phone: +49-351-8823-216 email: rigo.herold@ipms.fraunhofer.de © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 12 Thank you for attention

Optical System HMD-Application See-through optics (beam-splitter, VIS transmissive mirror) Different imaging planes for display and camera Near-infrared illumination of eye scene © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 13

Introduction to organic LEDs - OLEDs _ Light emission (silicon wafer) Light emission bottom-emitting top-emitting Lighting transparent conductor Medium and large display ⇒ TFT organic layers metal cathode substrate © Fraunhofer IPMS Dr. Rigo Herold I 5.6.2012 I slide 14 OLED-on-CMOS +

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