Solid-state image pick-up device of the charge-coupled device ty

Details Solid-state image pick-up device of the charge-coupled device ty Solid-state image pick-up device of the charge-coupled device ty

1995-01-13

1998-01-06

Ngo, Ngan V.

Active solid-state devices (e.g., transistors, solid-state diode

Field effect device

Charge transfer device

257230, 257232, 257233, 348299, 348303, 348304, 348308, 348314, H01L 27148, H01L 29768

Patent

active

057058377

ABSTRACT:
A solid-state CCD image pick-up device includes optoelectric transducing elements corresponding to pixels vertically and horizontally arrayed in a matrix forming column linear arrays defining a column direction and at least one vertical charge transfer path associated with a corresponding adjacent column linear array. Pixel signals are vertically transferred from the column linear arrays to the vertical charge transfer paths such that gate signals occurring at predetermined times are applied to gate electrodes of the vertical charge transfer paths to permit the pixel signals to be scan read by a horizontal charge transfer path. Switching elements are provided for transfer gate electrodes and a drive circuit sequentially generates drive signals for groups of gate electrodes during periods in which the switching elements are rendered conductive to allow a full frame scan read to be performed by supplying a predetermined number of timing signals to the gate electrodes. The pick-up device can be fabricated with high density integration and high pixel density and can be provided with an improved vertical overflow drain structure. The image pick-up device also provides an electronic shutter function having improved vertical resolution. A shift register for producing improved vertical resolution is also disclosed.

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