摘要:
To achieve a high density, high resolution, or size reduction, there is provided a solid-state image pickup device having a plurality of photoelectric conversion elements formed in a semiconductor substrate, conductive layers formed on the semiconductor substrate between the neighboring photoelectric conversion elements via an interlayer layer, a first interlayer layer formed on the photoelectric conversion elements and conductive layers, a second interlayer layer formed on the first interlayer layer, and microlenses formed above the photoelectric conversion elements, wherein the refraction index of the first interlayer layer located above the photoelectric conversion elements is different from that of the second interlayer layer.
摘要:
To achieve a high density, high resolution, or size reduction, there is provided a solid-state image pickup device having a plurality of photoelectric conversion elements formed in a semiconductor substrate, conductive layers formed on the semiconductor substrate between the neighboring photoelectric conversion elements via an interlayer layer, a first interlayer layer formed on the photoelectric conversion elements and conductive layers, a second interlayer layer formed on the first interlayer layer, and microlenses formed above the photoelectric conversion elements, wherein the refraction index of the first interlayer layer located above the photoelectric conversion elements is different from that of the second interlayer layer.
摘要:
An image pickup device includes pixels each including a photoelectric conversion unit and a transfer switch for transferring a photoelectric conversion signal generated by the photoelectric conversion unit, and a driver for applying a pulse to the transfer switch a plurality of times when the signal generated by the photoelectric conversion unit is transferred via the transfer switch.
摘要:
An image pickup apparatus having a plurality of pixels; and a color filter array of four colors disposed on the plurality of pixels, wherein the color filter array has a periodicity of two rows×two columns, and colors of four color filters in a periodical unit of two rows×two columns are all different.
摘要:
In a photoelectric conversion device having a plurality of pixel cells each of which includes a photoelectric conversion element, a field effect transistor having the gate area for storing signal charge generated by the photoelectric conversion element and the source-drain path for outputting a signal corresponding to the signal charge stored in the gate, a first power supply line for supplying electric power to the field effect transistor, and a first switch connected between the field effect transistor and the first power supply line, when a reset voltage for resetting the gate of the field effect transistor is Vsig0, a threshold voltage of the field effect transistor is Vth, current flowing through the field effect transistor is Ia, a voltage applied via the first power supply line is Vc1, and a series resistance of the first switch is Ron, each pixel cell is configured to satisfy a condition determined by Vc1−Ron×Ia>Vsig0−Vth.
摘要:
In order to select an image pickup mode corresponding to purposes, there is provided a photoelectric conversion device comprising a plurality of photoelectric conversion pixels; and a control circuit for controlling a first mode for reading out first and second signals from each of the photoelectric conversion pixels, and a second mode for reading out the first signal from each of the photoelectric conversion pixels, wherein the first signal includes a noise signal produced upon resetting each of the photoelectric conversion pixels, and an optical signal produced by accumulating a photocharge, and the second signal includes a noise signal produced upon resetting each of the photoelectric conversion pixels.
摘要:
This invention is to provide a solid-state image pickup apparatus including a photoelectric conversion unit (PD), transfer switch (MTX) for transferring signal charges from the photoelectric conversion unit, capacitance for holding the transferred signal charges, and amplification transistor (MSF) for outputting a signal corresponding to the signal charges held by the capacitance. The amplification transistor includes a capacitance unit (CFD) having the first capacitance value and an additive capacitance unit (Cox) for adding a capacitance to the capacitance unit to increase the first capacitance value and obtain the second capacitance value. A signal read-out from the amplification transistor has a first read-out mode in which a signal is read out while keeping the signal charges held by the capacitance unit and additive capacitance unit, and a second read-out mode in which a signal is read out while keeping the signal charges held by the capacitance unit.
摘要:
In the solid state image pickup apparatus, in order to achieve complete transfer of the charge from the photodiode to the floating diffusion area, there is provided a pickup apparatus having a photoelectric conversion element, a transfer switch consisting of a MOS transistor for transferring the signal charge generated in the photoelectric conversion element, a floating diffusion capacitance for receiving the signal charge through the transfer switch, and a reset switch consisting of a MOS transistor for resetting the potential of the floating diffusion capacitance, the device comprising at least a potential setting circuit for generating a voltage different from the power supply voltage, wherein the output of the potential setting circuit is applied as a pulse to the gate of the transfer switch and/or the gate of the reset switch.
摘要:
In a solid-state image sensing apparatus, each pixel includes a photodiode, a MOS amplifier whose gate receives photo-charge generated by the photodiode, and a MOS switch for controlling connection between the photodiode and the gate of the MOS amplifier, and transference of the photo-charge from the photodiode to the gate of the MOS amplifier is performed under a condition that a channel is formed under the gate of the MOS amplifier.
摘要:
This invention is to provide a solid-state image pickup apparatus including a photoelectric conversion unit (PD), transfer switch (MTX) for transferring signal charges from the photoelectric conversion unit, capacitance for holding the transferred signal charges, and amplification transistor (MSF) for outputting a signal corresponding to the signal charges held by the capacitance. The amplification transistor includes a capacitance unit (CFD) having the first capacitance value and an additive capacitance unit (Cox) for adding a capacitance to the capacitance unit to increase the first capacitance value and obtain the second capacitance value. A signal read-out from the amplification transistor has a first read-out mode in which a signal is read out while keeping the signal charges held by the capacitance unit and additive capacitance unit, and a second read-out mode in which a signal is read out while keeping the signal charges held by the capacitance unit.