Sight line detector, display unit, view finder and unit and came

Details Sight line detector, display unit, view finder and unit and came Sight line detector, display unit, view finder and unit and came

1997-10-21

1999-02-16

Adams, Russell E.

Photography

Eye tracking

G03B 1700

Patent

active

058730036

ABSTRACT:
There is provided a liquid crystal unit having an on-chip photodetector.
On a transparent substrate are laid down a metallic wiring, an n-type a-Si, an a-SiGe, and a p-type a-Si successively, an insulating film is formed, and then a transparent electrode is formed to have a light detection region.

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