Image sensor using a boosted voltage and a method thereof

Details Image sensor using a boosted voltage and a method thereof Image sensor using a boosted voltage and a method thereof

2008-07-08

2008-07-08

Pyo, Kevin (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S2140RC, C348S303000, C348S308000

Reexamination Certificate

active

07397020

ABSTRACT:
An image sensor and method thereof. In an example, the image sensor, may include a pixel array including a plurality of unit pixels, each of the plurality of unit pixels having a charge transfer unit for transferring charges accumulated in an optoelectronic converter to a charge detector via a charge transfer driving signal. The example image sensor may further include a row driving unit generating a boosted voltage, the boosted voltage set to a boosted voltage level higher than a power voltage level, the boosted voltage selectively boosted in response to a boosting voltage variable control signal. The row driving unit may selectively apply the charge transfer driving signal to the pixel array. In another example, the method may include selectively adjusting a voltage level of a charge transfer driving voltage and transferring the charge transfer driving voltage to a charge transfer unit for controlling an operation of the charge transfer unit.

REFERENCES:
patent: 6556066 (2003-04-01), Sato
patent: 6798274 (2004-09-01), Tanimoto
patent: 7129985 (2006-10-01), Koizumi et al.
patent: 2006/0092316 (2006-05-01), Gazeley
patent: 09-163247 (1997-06-01), None

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