Display circuit with optical sensor

Details Display circuit with optical sensor Display circuit with optical sensor

2007-02-27

2007-02-27

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S173000

Reexamination Certificate

active

10176741

ABSTRACT:
A combined input/output device having a display mode in which it operates as a matrix display and sensing mode in which it receives optical input, comprising multiple picture element circuits arranged as a matrix display and multiple optical sensors arranged as a sensor matrix. The optical sensors and pixel circuits are integrated on the same substrate and the control lines used for controlling the pixel circuits are advantageously re-used for controlling the optical sensors. A plurality of optical sensors are enabled at a time, thereby allowing for the discrimination of inputs by gesture.

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