Computer graphics processing and selective visual display system – Display peripheral interface input device
Patent
1996-09-03
1999-07-27
Zimmerman, Mark K.
Computer graphics processing and selective visual display system
Display peripheral interface input device
G09G 500
Patent
active
059298456
ABSTRACT:
Image scanner and display apparatus including an array of organic electroluminescent devices, each device operating as a light emitter when forward biased and as a light detector when reverse biased. Electronics coupled to the array and having a display mode and a scanner mode, the electronics sequentially forward biasing the array of organic electroluminescent devices, one row at a time, to emit light in the display mode, and sequentially forward biasing alternate columns of devices to emit light, one column at a time, and reverse biasing an associated column of devices for detecting light in the scanning mode, whereby light emitted from a forward biased column and reflected by information being scanned is received by the reverse biased associated column.
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Lee Hsing-Chung
So Franky
Wei Chengping
Koch William E.
Laneau Ronald
Motorola Inc.
Parsons Eugene A.
Zimmerman Mark K.
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